<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
              mode="inline"
              v-model:selectedKeys="selectedKeys2"
              v-model:openKeys="openKeys"
              :style="{ height: '100%', borderRight: 0 }"
              @click="handleClick"
      >
        <a-menu-item key="welcome">

            <MailOutlined />
            <span>欢迎</span>

        </a-menu-item>
        <!--        一级循环-->
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
            <span><user-outlined/>{{item.name}}</span>
          </template>
          <!--        套上二级循环循环儿子-->
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined /><span>{{child.name}}</span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
            :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <the-welcome></the-welcome>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter: 20, column: 3 }"  :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
              <span>
                <component v-bind:is="'FileOutlined'" style="margin-right: 8px" />
                {{ item.docCount }}
              </span>
              <span>
                <component v-bind:is="'UserOutlined'" style="margin-right: 8px" />
                {{ item.viewCount }}
              </span>
              <span>
                <component v-bind:is="'LikeOutlined'" style="margin-right: 8px" />
                {{ item.voteCount }}
          </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>
                <router-link :to="'/doc?ebookId=' + item.id">
                  {{ item.name }}
                </router-link>
              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>

    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
  import {defineComponent, onMounted, ref} from 'vue';
  import axios from 'axios';
  import {message} from 'ant-design-vue';
  import {Tool} from "@/util/tool";
  import TheWelcome from '@/components/the-welcome.vue';

  // const listData: any = [];
  //
  // for (let i = 0; i < 23; i++) {
  //   listData.push({
  //     href: 'https://www.antdv.com/',
  //     title: `ant design vue part ${i}`,
  //     avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
  //     description:
  //             'Ant Design, a design language for background applications, is refined by Ant UED Team.',
  //     content:
  //             'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
  //   });
  // }

  export default defineComponent({
    name: 'Home',
    components: {
      TheWelcome
    },
    setup(){
      const ebooks=ref();
      //const ebooks1=reactive({books:[]})
      const level1 =  ref();
      let categorys: any;
      /**
       * 查询所有分类
       **/
      const handleQueryCategory = () => {
        axios.get("/category/all").then((response) => {
          const data = response.data;
          if (data.success) {
            categorys = data.content;
            console.log("原始数组：", categorys);

            level1.value = [];
            level1.value = Tool.array2Tree(categorys, 0);
            console.log("树形结构：", level1.value);
          } else {
            message.error(data.message);
          }
        });
      };

      const isShowWelcome = ref(true);

      let categoryId2=0;



      const handleQueryEbook=()=>{
        axios.get("/ebook/list",{
          params:{
            page:1,
            size:1000,
            categoryId2:categoryId2
          }
        }).then((response)=>{
          const data= response.data
          ebooks.value= data.content.list
          // ebooks1.books=data.content
        })
      };

      const handleClick = (value:any) => {
        //console.log("menu click",value)
        if (value.key === 'welcome') {
          isShowWelcome.value = true;
        } else {
          categoryId2=value.key;
          isShowWelcome.value = false;
          handleQueryEbook();
        }
          // 点击黄色小灯泡，可以代码重构更简单
        // isShowWelcome.value = value.key === 'welcome';
      };

      onMounted(()=>{
        handleQueryCategory();
        // handleQueryEbook();
      })

      return{
        ebooks,
        // ebooks2:toRef(ebooks1,"books"),
        // listData,
        pagination : {
          onChange: (page: any) => {
            console.log(page);
          },
          pageSize: 3,
        },
        // actions: [
        //   { type: 'StarOutlined', text: '156' },
        //   { type: 'LikeOutlined', text: '156' },
        //   { type: 'MessageOutlined', text: '2' },
        // ],

        handleClick,
        level1,

        isShowWelcome
      }
    }

  });
</script>

<style scoped>
  .ant-avatar {
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 8%;
    margin: 5px 0;
  }
</style>